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Simone Renant as Marianne Séverin |
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Michel Auclair as Michel Dunan, Alain's look-alike / Alain de Norbois, missing man |
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Marcel Herrand as Norbert, butler |
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René Blancard as Me Tirgen, lawyer |
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André Versini as Adrien |
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Guy Favières as Guillaume |
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René Hell as Player |
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Roger Bontemps as Inspector |
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Paul Delon as Inspector General Leroux |
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Teddy Bilis as |
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Nicole Gamma as |
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Jean-Jacques Duverger as Paul de Norbois |
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Robert Vattier as Adolphe Mercier, businessman |
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Jacques Castelot as Investigating judge |
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Geneviève Page as Carole de Norbois |
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Reine Charmy as |
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Marcelle Arnold as (uncredited) |
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Jean Brunel as (uncredited) |
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Paule Launay as (uncredited) |
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Marcel Rouzé as (uncredited) |
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René Sauvaire as (uncredited) |
| Art | Robert Hubert | Production Design |
| Writing | Jean Giltène | Writer |
| Writing | Jean Giltène | Novel |
| Writing | Christian Stengel | Writer |
| Camera | René Gaveau | Director of Photography |
| Sound | Paul Misraki | Original Music Composer |
| Sound | André Louis | Sound |
| Production | Aimé Frapin | Producer |
| Production | Paul Wagner | Producer |
| Editing | Yvonne Martin | Editor |
| Production | Claude Heymann | Production Manager |
| Directing | Christian Stengel | Director |
| Costume & Make-Up | Alwynn | Costume Design |
